..These compounds represent three major classes of natural products: tannins, alkaloids, and flavonoids. Further study for possible application of these compounds as inhibitors for dental caries is underway...

In vitro study of flavonoids, fatty acids, and steroids on proliferation of rat hepatic stellate cells

..These results revealed that the compounds which effectively blocked HSC proliferation may be beneficial in liver fibrosis. Structure-activity relationships (SAR) may provide a basis for rational structure modification...

..Moreover, compound 2 also was the most active as antiviral agent toward HS-I virus and compounds 6, 7, 15, 14, 16a, and 18a were found to be moderately active. CD(50) of the active compounds were also measured...